Finding the Fourth Proportional to 539,716.14, 808,929.09 and 251,137.98
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Solution
The fourth proportional to 539,716.14, 808,929.09 and 251,137.98 is: 376,406.79
Step by Step Solution
- Step 1: Write the proportion equation
539,716.14 : 808,929.09 = 251,137.98 : x - Step 2: Convert to fraction form
539,716.14/808,929.09 = 251,137.98/x - Step 3: Cross multiply
539,716.14x = 808,929.09 × 251,137.98 - Step 4: Simplify right side
539,716.14x = 203,152,817,625.84 - Step 5: Solve for x
x = 203,152,817,625.84/539,716.14 - Step 6: Final answer
x = 376,406.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.